Senior Software Engineer, Backend

🕒 April 3

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Customer.io

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2012

☁️ SaaS

💰 Series A on 2022-03

SaaS • Marketing

Customer. io is a customer engagement platform that helps businesses create personalized journeys across multiple channels, such as email, SMS, and in-app messaging, by leveraging first-party data. The platform offers solutions for crafting and automating messages with high flexibility and customization. It includes features such as data pipelines for managing customer data, visual workflow builders for automation, and tools for analytics and A/B testing to optimize messaging campaigns. Designed to scale with businesses of all sizes, Customer. io integrates with existing tools and provides a secure, compliant environment with high uptime, making it a trusted choice for over 7,400 brands globally.

📋 Description

• Design and build distributed systems in Go that help customers send timely, relevant messages at scale • Collaborate across teams to debug issues and deliver reliable solutions • Own problems end to end - from architecture and schema design to testing, deployment, and monitoring • Share knowledge and raise the bar through sharing your progress publicly with short videos, thoughtful writing, and mentorship • Use AI agents to make multi-file changes by scoping the work, writing the prompt, and verifying the output

🎯 Requirements

• 7+ years of experience building scalable, distributed systems in Go (or similar statically typed languages) • Comfort working in cloud-native environments (AWS, GCP) • Familiarity with relational databases (we use MySQL) and an understanding of performance tradeoffs • Experience with observability tooling and operating production systems • A bias for action over perfection, and pride in owning technical decisions.

🏖️ Benefits

• 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family • 16 weeks paid parental leave • unlimited PTO • stipends for remote work and wellness • a professional development budget and more.